26428-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26428-87-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,4,2 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 26428-87:
(7*2)+(6*6)+(5*4)+(4*2)+(3*8)+(2*8)+(1*7)=125
125 % 10 = 5
So 26428-87-5 is a valid CAS Registry Number.